diff options
| -rw-r--r-- | kernel/sched/fair.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index ffa643ce911..26c43b46301 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -4456,7 +4456,11 @@ unlock: #else new_cpu = hmp_select_slower_cpu(p, prev_cpu); #endif - if (new_cpu != prev_cpu) { + /* + * we might have no suitable CPU + * in which case new_cpu == NR_CPUS + */ + if (new_cpu < NR_CPUS && new_cpu != prev_cpu) { hmp_next_down_delay(&p->se, new_cpu); trace_sched_hmp_migrate(p, new_cpu, HMP_MIGRATE_WAKEUP); return new_cpu; |